  .text
  .globl main
main:
  addi  $s1, $zero, 16
  addi  $s2, $zero, 32
  and   $t0, $s1, $s2
  or    $t1, $s1, $s2
  nor   $t2, $s1, $s2
  nor   $t3, $s1, $zero
  jr    $ra
